statisticssummary.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<a name="472" href="#472">472</a> 	    				mimeTypeDnsDistribution.put(mime,
<a name="473" href="#473">473</a>                                 <strong>new</strong> <a href="../../../../org/archive/util/LongWrapper.html">LongWrapper</a>(total));
<a name="474" href="#474">474</a> 	    				mimeTypeDnsBytes.put(mime, <strong>new</strong> LongWrapper(bytes));
<a name="475" href="#475">475</a> 	    				totalDnsMimeTypeDocuments += total;
<a name="476" href="#476">476</a> 	    				totalDnsMimeSize += bytes;
<a name="477" href="#477">477</a> 	    			}
<a name="478" href="#478">478</a> 	    			<strong>else</strong> {
<a name="479" href="#479">479</a> 	    				mimeTypeDistribution.put(mime, <strong>new</strong> LongWrapper(total));
<a name="480" href="#480">480</a> 	    				mimeTypeBytes.put(mime, <strong>new</strong> LongWrapper(bytes));
<a name="481" href="#481">481</a> 	    				totalMimeTypeDocuments += total;
<a name="482" href="#482">482</a> 	    				totalMimeSize += bytes;
<a name="483" href="#483">483</a> 	    			}
<a name="484" href="#484">484</a> 	    		}
<a name="485" href="#485">485</a> 	    		line = br.readLine();
<a name="486" href="#486">486</a> 	    	}
<a name="487" href="#487">487</a>     	} <strong>catch</strong> (IOException e) {
<a name="488" href="#488">488</a>     		logger.log(Level.SEVERE, <span class="string">"Reading "</span> + f.getAbsolutePath(), e);
<a name="489" href="#489">489</a>     	} <strong>finally</strong> {
<a name="490" href="#490">490</a>     		<strong>if</strong> (br != <strong>null</strong>) {
<a name="491" href="#491">491</a>     			<strong>try</strong> {
<a name="492" href="#492">492</a>     				br.close();
<a name="493" href="#493">493</a>     			} <strong>catch</strong> (IOException e) {
<a name="494" href="#494">494</a>     				logger.log(Level.SEVERE,
<a name="495" href="#495">495</a>     					<span class="string">"Closing "</span> + f.getAbsolutePath(), e);
<a name="496" href="#496">496</a>     			}
<a name="497" href="#497">497</a>     		}
<a name="498" href="#498">498</a>     	}
<a name="499" href="#499">499</a>     	<strong>return</strong> <strong>true</strong>;
<a name="500" href="#500">500</a>     }
<a name="501" href="#501">501</a>     
<a name="502" href="#502">502</a>     <em>/**<em>*</em></em>
<a name="503" href="#503">503</a> <em>     * Read number of URLs and total bytes for each host name from</em>
<a name="504" href="#504">504</a> <em>     * hosts-report.txt.</em>
<a name="505" href="#505">505</a> <em>     * Host name of "dns:" is separated from others.</em>
<a name="506" href="#506">506</a> <em>     * @return true if stats found.</em>
<a name="507" href="#507">507</a> <em>     */</em>
<a name="508" href="#508">508</a>     <strong>private</strong> <strong>boolean</strong> calculateHostsDistribution() {
<a name="509" href="#509">509</a>     	File f = <strong>new</strong> File(cjob.getDirectory(), <span class="string">"hosts-report.txt"</span>);
<a name="510" href="#510">510</a>     	<strong>if</strong> (!f.exists()) {
<a name="511" href="#511">511</a>     		<strong>return</strong> false;
<a name="512" href="#512">512</a>     	}
<a name="513" href="#513">513</a>     	BufferedReader br = <strong>null</strong>;
<a name="514" href="#514">514</a>     	<strong>try</strong> {
<a name="515" href="#515">515</a> 	    	FileReader reader = <strong>new</strong> FileReader(f);
<a name="516" href="#516">516</a> 	    	br = <strong>new</strong> BufferedReader(reader);
<a name="517" href="#517">517</a> 	    	String line = br.readLine();  <em class="comment">// Ignore heading</em>
<a name="518" href="#518">518</a> 	    	line = br.readLine();
<a name="519" href="#519">519</a> 	    	<strong>while</strong> (line != <strong>null</strong>) {    	  
<a name="520" href="#520">520</a> 	    		<em class="comment">// Get num urls, num bytes, and host name (seperated by a space)</em>
<a name="521" href="#521">521</a> 	    		<em class="comment">// Example: 9 7468 www.blogger.com</em>
<a name="522" href="#522">522</a> 
<a name="523" href="#523">523</a> 	    		String[] items = line.split(<span class="string">" "</span>);
<a name="524" href="#524">524</a> 	    		<strong>if</strong> (items.length &lt; 3) {
<a name="525" href="#525">525</a> 	    			logger.log(Level.WARNING,
<a name="526" href="#526">526</a>                             <span class="string">"Unexpected formatting on line ["</span> + line + <span class="string">"]"</span>);
<a name="527" href="#527">527</a> 	    		}
<a name="528" href="#528">528</a> 	    		<strong>else</strong> {
<a name="529" href="#529">529</a> 	    			<strong>long</strong> total = Long.parseLong(items[0]);
<a name="530" href="#530">530</a> 	    			<strong>long</strong> bytes = Long.parseLong(items[1]);
<a name="531" href="#531">531</a> 	    			String host = items[2];
<a name="532" href="#532">532</a> 
<a name="533" href="#533">533</a> 	    			<em class="comment">// Seperate DNS reconrds from HTTP</em>
<a name="534" href="#534">534</a> 	    			<strong>if</strong> (host.startsWith(<span class="string">"dns:"</span>, 0)) {
<a name="535" href="#535">535</a> 	    				hostsDnsDistribution.put(host, <strong>new</strong> LongWrapper(total));
<a name="536" href="#536">536</a> 	    				hostsDnsBytes.put(host, <strong>new</strong> LongWrapper(bytes));
<a name="537" href="#537">537</a> 	    				totalDnsHostDocuments += total;
<a name="538" href="#538">538</a> 	    				totalDnsHostSize += bytes;
<a name="539" href="#539">539</a> 	    			}
<a name="540" href="#540">540</a> 	    			<strong>else</strong> {
<a name="541" href="#541">541</a> 	    				hostsDistribution.put(host, <strong>new</strong> LongWrapper(total));
<a name="542" href="#542">542</a> 	    				hostsBytes.put(host, <strong>new</strong> LongWrapper(bytes));
<a name="543" href="#543">543</a> 	    				totalHostDocuments += total;
<a name="544" href="#544">544</a> 	    				totalHostSize += bytes;
<a name="545" href="#545">545</a> 
<a name="546" href="#546">546</a> 	    				<em class="comment">// Count top level domain (TLD)</em>
<a name="547" href="#547">547</a> 	    				String tld = host.substring(host.lastIndexOf('.')+1);
<a name="548" href="#548">548</a> 	    				incrementMapCount(tldDistribution, tld, total);   
<a name="549" href="#549">549</a> 	    				incrementMapCount(tldBytes, tld, bytes);
<a name="550" href="#550">550</a> 	    				incrementMapCount(tldHostDistribution, tld);
<a name="551" href="#551">551</a> 	    				totalTldDocuments += total;
<a name="552" href="#552">552</a> 	    				totalTldSize += bytes;
<a name="553" href="#553">553</a> 
<a name="554" href="#554">554</a> 	    				totalHosts++;
<a name="555" href="#555">555</a> 	    			}
<a name="556" href="#556">556</a> 	    		}
<a name="557" href="#557">557</a> 	    		line = br.readLine();
<a name="558" href="#558">558</a> 	    	}
<a name="559" href="#559">559</a>     	} <strong>catch</strong> (IOException e) {
<a name="560" href="#560">560</a>     		logger.log(Level.SEVERE, <span class="string">"Reading "</span> + f.getAbsolutePath(), e);
<a name="561" href="#561">561</a>     	} <strong>finally</strong> {
<a name="562" href="#562">562</a>     		<strong>if</strong> (br != <strong>null</strong>) {
<a name="563" href="#563">563</a>     			<strong>try</strong> {
<a name="564" href="#564">564</a>     				br.close();
<a name="565" href="#565">565</a>     			} <strong>catch</strong> (IOException e) {
<a name="566" href="#566">566</a>     				logger.log(Level.SEVERE,
<a name="567" href="#567">567</a>     					<span class="string">"Closing "</span> + f.getAbsolutePath(), e);
<a name="568" href="#568">568</a>     			}
<a name="569" href="#569">569</a>     		}
<a name="570" href="#570">570</a>     	}
<a name="571" href="#571">571</a>     	<strong>return</strong> <strong>true</strong>;
<a name="572" href="#572">572</a>     }
<a name="573" href="#573">573</a> 
<a name="574" href="#574">574</a>     <em>/**<em>*</em></em>
<a name="575" href="#575">575</a> <em>     * Returns the accumulated number of bytes downloaded from a given host.</em>
<a name="576" href="#576">576</a> <em>     * @param host name of the host</em>
<a name="577" href="#577">577</a> <em>     * @return the accumulated number of bytes downloaded from a given host</em>
<a name="578" href="#578">578</a> <em>     */</em>
<a name="579" href="#579">579</a>     <strong>public</strong> <strong>long</strong> getBytesPerHost(String host) { 
<a name="580" href="#580">580</a>     	<strong>long</strong> bytes = -1;
<a name="581" href="#581">581</a>     	
<a name="582" href="#582">582</a>     	bytes = host != <strong>null</strong> &amp;&amp; host.startsWith(<span class="string">"dns:"</span>, 0) ? 
<a name="583" href="#583">583</a> 	    	((LongWrapper)hostsDnsBytes.get(host)).longValue :
<a name="584" href="#584">584</a> 	    	((LongWrapper)hostsBytes.get(host)).longValue;	    
<a name="585" href="#585">585</a>     	
<a name="586" href="#586">586</a>     	<strong>return</strong> bytes;
<a name="587" href="#587">587</a>     }
<a name="588" href="#588">588</a>     
<a name="589" href="#589">589</a>     <em>/**<em>*</em></em>
<a name="590" href="#590">590</a> <em>     * Returns the total number of bytes downloaded for a given TLD.</em>
<a name="591" href="#591">591</a> <em>     * @param tld TLD</em>
<a name="592" href="#592">592</a> <em>     * @return the total number of bytes downloaded for a given TLD</em>
<a name="593" href="#593">593</a> <em>     */</em>
<a name="594" href="#594">594</a>     <strong>public</strong> <strong>long</strong> getBytesPerTld(String tld) {
<a name="595" href="#595">595</a>     	LongWrapper lw = (LongWrapper)tldBytes.get(tld);
<a name="596" href="#596">596</a>     	<strong>return</strong> (lw == <strong>null</strong> ? 0 : lw.longValue);
<a name="597" href="#597">597</a>     }
<a name="598" href="#598">598</a> 
<a name="599" href="#599">599</a>     <em>/**<em>*</em></em>
<a name="600" href="#600">600</a> <em>     * Returns the accumulated number of bytes from files of a given file type.</em>
<a name="601" href="#601">601</a> <em>     * @param filetype Filetype to check.</em>
<a name="602" href="#602">602</a> <em>     * @return the accumulated number of bytes from files of a given mime type</em>
<a name="603" href="#603">603</a> <em>     */</em>
<a name="604" href="#604">604</a>     <strong>public</strong> <strong>long</strong> getBytesPerMimeType(String filetype) {
<a name="605" href="#605">605</a>     	<strong>long</strong> bytes = -1;
<a name="606" href="#606">606</a>     	
<a name="607" href="#607">607</a>     	<strong>if</strong> (filetype != <strong>null</strong>) {    	
<a name="608" href="#608">608</a> 	    	<strong>if</strong> (filetype.equals(<span class="string">"text/dns"</span>)) {	    		
<a name="609" href="#609">609</a> 	    		bytes = mimeTypeDnsBytes.get(filetype) == <strong>null</strong> ? 0 :
<a name="610" href="#610">610</a> 	    			((LongWrapper)mimeTypeDnsBytes.get(filetype)).longValue;
<a name="611" href="#611">611</a> 	    	}
<a name="612" href="#612">612</a> 	    	<strong>else</strong> {
<a name="613" href="#613">613</a> 	    		bytes = mimeTypeBytes.get(filetype) == <strong>null</strong> ? 0 :
<a name="614" href="#614">614</a> 	    			((LongWrapper)mimeTypeBytes.get(filetype)).longValue;
<a name="615" href="#615">615</a> 	    	}
<a name="616" href="#616">616</a>     	}
<a name="617" href="#617">617</a>     	<strong>return</strong> bytes;
<a name="618" href="#618">618</a>     }
<a name="619" href="#619">619</a>     
<a name="620" href="#620">620</a>     <em>/**<em>*</em></em>
<a name="621" href="#621">621</a> <em>     * Reads duration time, processed docs/sec, bandwidth, and total size</em>
<a name="622" href="#622">622</a> <em>     * of crawl from crawl-report.txt.</em>
<a name="623" href="#623">623</a> <em>     * @return true if stats found.</em>
<a name="624" href="#624">624</a> <em>     */</em>
<a name="625" href="#625">625</a>     <strong>public</strong> <strong>boolean</strong> readCrawlReport() {
<a name="626" href="#626">626</a>     	File f = <strong>new</strong> File(cjob.getDirectory(), <span class="string">"crawl-report.txt"</span>);
<a name="627" href="#627">627</a>     	<strong>if</strong> (!f.exists()) {
<a name="628" href="#628">628</a>     		<strong>return</strong> false;
<a name="629" href="#629">629</a>     	}
<a name="630" href="#630">630</a>     	BufferedReader br = <strong>null</strong>;
<a name="631" href="#631">631</a>     	<strong>try</strong> {